The primary function of the Criminal Investigations Division is to conduct follow-up investigations of reported crimes. These investigations consist of interviewing suspects, victims, and witnesses, analyzing information for validity, and accuracy.

The Zionsville Police Department is looking to better the community and better its department by bringing back the K9 division. Donations are currently being accepted to fund the purchase, training and care of a K9 dog.

The Uniformed Services Division is comprised of 20 merit Officers and uniformed Officers of the Reserve Division. The Patrol Division currently patrols 77 miles of streets in 12 square miles, in 2 patrol districts.